Charge Pump Regulator & COM Driver for Color TFT Panel - Regulator
PRELIMINARY TECHNICAL DATA
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Charge Pump Regulator & COM Driver for Color TFT Panel ADM8840 Preliminary Technical Data
FUNCTIONAL BLOCK DIAGRAM
-15V
FEATURES Programmable COM Driver to prevent Screen-Burn 3 Voltages (5.0V,15.0V,-15.0V) from one 3V Supply Power Efficiency optimised for use with TFT in mobile phones Low Quiescent Current Low Shutdown Current (<5uA) Shutdown Function APPLICATIONS Handheld Instruments TFT LCD Panels Cellular Phones
VOLTAGE INVERTER
C4+
C4 0.22 F
C9
0.22 F